diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_encoders.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 13 |
5 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index 266036b10fec..5ce13b8fbe6c 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -72,6 +72,18 @@ radeon_atom_set_backlight_level_to_reg(struct radeon_device *rdev, WREG32(RADEON_BIOS_2_SCRATCH, bios_2_scratch); } +u8 +atombios_get_backlight_level(struct radeon_encoder *radeon_encoder) +{ + struct drm_device *dev = radeon_encoder->base.dev; + struct radeon_device *rdev = dev->dev_private; + + if (!(rdev->mode_info.firmware_flags & ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU)) + return 0; + + return radeon_atom_get_backlight_level_from_reg(rdev); +} + void atombios_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level) { diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 4d67f0f5a5a3..de86b8e259ce 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1174,6 +1174,8 @@ struct radeon_asic { void (*wait_for_vblank)(struct radeon_device *rdev, int crtc); /* set backlight level */ void (*set_backlight_level)(struct radeon_encoder *radeon_encoder, u8 level); + /* get backlight level */ + u8 (*get_backlight_level)(struct radeon_encoder *radeon_encoder); } display; /* copy functions for bo handling */ struct { @@ -1767,6 +1769,7 @@ void radeon_ring_write(struct radeon_ring *ring, uint32_t v); #define radeon_irq_process(rdev) (rdev)->asic->irq.process((rdev)) #define radeon_get_vblank_counter(rdev, crtc) (rdev)->asic->display.get_vblank_counter((rdev), (crtc)) #define radeon_set_backlight_level(rdev, e, l) (rdev)->asic->display.set_backlight_level((e), (l)) +#define radeon_get_backlight_level(rdev, e) (rdev)->asic->display.get_backlight_level((e)) #define radeon_fence_ring_emit(rdev, r, fence) (rdev)->asic->ring[(r)].emit_fence((rdev), (fence)) #define radeon_semaphore_ring_emit(rdev, r, cp, semaphore, emit_wait) (rdev)->asic->ring[(r)].emit_semaphore((rdev), (cp), (semaphore), (emit_wait)) #define radeon_copy_blit(rdev, s, d, np, f) (rdev)->asic->copy.blit((rdev), (s), (d), (np), (f)) diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 2f7adeab049b..6225e1977700 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -199,6 +199,7 @@ static struct radeon_asic r100_asic = { .get_vblank_counter = &r100_get_vblank_counter, .wait_for_vblank = &r100_wait_for_vblank, .set_backlight_level = &radeon_legacy_set_backlight_level, + .get_backlight_level = &radeon_legacy_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -274,6 +275,7 @@ static struct radeon_asic r200_asic = { .get_vblank_counter = &r100_get_vblank_counter, .wait_for_vblank = &r100_wait_for_vblank, .set_backlight_level = &radeon_legacy_set_backlight_level, + .get_backlight_level = &radeon_legacy_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -349,6 +351,7 @@ static struct radeon_asic r300_asic = { .get_vblank_counter = &r100_get_vblank_counter, .wait_for_vblank = &r100_wait_for_vblank, .set_backlight_level = &radeon_legacy_set_backlight_level, + .get_backlight_level = &radeon_legacy_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -424,6 +427,7 @@ static struct radeon_asic r300_asic_pcie = { .get_vblank_counter = &r100_get_vblank_counter, .wait_for_vblank = &r100_wait_for_vblank, .set_backlight_level = &radeon_legacy_set_backlight_level, + .get_backlight_level = &radeon_legacy_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -499,6 +503,7 @@ static struct radeon_asic r420_asic = { .get_vblank_counter = &r100_get_vblank_counter, .wait_for_vblank = &r100_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -574,6 +579,7 @@ static struct radeon_asic rs400_asic = { .get_vblank_counter = &r100_get_vblank_counter, .wait_for_vblank = &r100_wait_for_vblank, .set_backlight_level = &radeon_legacy_set_backlight_level, + .get_backlight_level = &radeon_legacy_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -649,6 +655,7 @@ static struct radeon_asic rs600_asic = { .get_vblank_counter = &rs600_get_vblank_counter, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -724,6 +731,7 @@ static struct radeon_asic rs690_asic = { .bandwidth_update = &rs690_bandwidth_update, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -799,6 +807,7 @@ static struct radeon_asic rv515_asic = { .bandwidth_update = &rv515_bandwidth_update, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -874,6 +883,7 @@ static struct radeon_asic r520_asic = { .get_vblank_counter = &rs600_get_vblank_counter, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r100_copy_blit, @@ -948,6 +958,7 @@ static struct radeon_asic r600_asic = { .get_vblank_counter = &rs600_get_vblank_counter, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1022,6 +1033,7 @@ static struct radeon_asic rs780_asic = { .get_vblank_counter = &rs600_get_vblank_counter, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1096,6 +1108,7 @@ static struct radeon_asic rv770_asic = { .get_vblank_counter = &rs600_get_vblank_counter, .wait_for_vblank = &avivo_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1170,6 +1183,7 @@ static struct radeon_asic evergreen_asic = { .get_vblank_counter = &evergreen_get_vblank_counter, .wait_for_vblank = &dce4_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1244,6 +1258,7 @@ static struct radeon_asic sumo_asic = { .get_vblank_counter = &evergreen_get_vblank_counter, .wait_for_vblank = &dce4_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1318,6 +1333,7 @@ static struct radeon_asic btc_asic = { .get_vblank_counter = &evergreen_get_vblank_counter, .wait_for_vblank = &dce4_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1422,6 +1438,7 @@ static struct radeon_asic cayman_asic = { .get_vblank_counter = &evergreen_get_vblank_counter, .wait_for_vblank = &dce4_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1526,6 +1543,7 @@ static struct radeon_asic trinity_asic = { .get_vblank_counter = &evergreen_get_vblank_counter, .wait_for_vblank = &dce4_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = &r600_copy_blit, @@ -1630,6 +1648,7 @@ static struct radeon_asic si_asic = { .get_vblank_counter = &evergreen_get_vblank_counter, .wait_for_vblank = &dce4_wait_for_vblank, .set_backlight_level = &atombios_set_backlight_level, + .get_backlight_level = &atombios_get_backlight_level, }, .copy = { .blit = NULL, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 29b3d0545f94..8251b44550b7 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -43,7 +43,9 @@ void radeon_atom_set_memory_clock(struct radeon_device *rdev, uint32_t mem_clock void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable); void atombios_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level); +u8 atombios_get_backlight_level(struct radeon_encoder *radeon_encoder); void radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level); +u8 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder); /* diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index ec00deaab9ca..8ad9c5f16014 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -290,6 +290,19 @@ static uint8_t radeon_legacy_lvds_level(struct backlight_device *bd) return level; } +u8 +radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder) +{ + struct drm_device *dev = radeon_encoder->base.dev; + struct radeon_device *rdev = dev->dev_private; + u8 backlight_level; + + backlight_level = (RREG32(RADEON_LVDS_GEN_CNTL) >> + RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & 0xff; + + return backlight_level; +} + void radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level) { |